{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:25.979873", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2026-Jan-11_to_2026-Jan-19_69.0_30.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2026010001574}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "January 11 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 19 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 190724.4262779192}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Afghanistan", "Iran", "Pakistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 30.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 69.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "69.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 62.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 70.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.5, 34.75], [71.03, 34.53], [71.25, 34.0], [71.03, 33.47], [70.5, 33.25], [69.97, 33.47], [69.75, 34.0], [69.97, 34.53], [70.5, 34.75]]]]}, "2026-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.5, 34.75], [71.03, 34.53], [71.25, 34.0], [71.03, 33.47], [70.5, 33.25], [69.97, 33.47], [69.75, 34.0], [69.97, 34.53], [70.5, 34.75]]]]}, "2026-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.97, 27.53], [64.5, 27.75], [64.75, 27.65], [65.0, 27.75], [65.25, 27.65], [65.5, 27.75], [66.03, 27.53], [66.25, 27.0], [66.15, 26.75], [66.25, 26.5], [66.03, 25.97], [65.5, 25.75], [65.25, 25.85], [65.0, 25.75], [64.47, 25.97], [64.32, 26.32], [63.97, 26.47], [63.75, 27.0], [63.97, 27.53]]], [[[70.5, 34.75], [71.03, 34.53], [71.25, 34.0], [71.03, 33.47], [70.63, 33.3], [70.75, 33.0], [70.53, 32.47], [70.0, 32.25], [69.47, 32.47], [69.25, 33.0], [69.47, 33.53], [69.88, 33.7], [69.75, 34.0], [69.97, 34.53], [70.5, 34.75]]]]}, "2026-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 28.03], [62.38, 28.2], [62.25, 28.5], [62.47, 29.03], [62.82, 29.18], [62.97, 29.53], [63.5, 29.75], [63.75, 29.65], [64.0, 29.75], [64.53, 29.53], [64.68, 29.18], [65.03, 29.03], [65.25, 28.5], [65.13, 28.2], [65.25, 28.15], [65.32, 28.18], [65.47, 28.53], [65.88, 28.7], [65.75, 29.0], [65.97, 29.53], [66.32, 29.68], [66.35, 29.75], [66.25, 30.0], [66.46, 30.5], [66.25, 31.0], [66.47, 31.53], [67.0, 31.75], [67.25, 31.65], [67.5, 31.75], [67.75, 31.65], [68.0, 31.75], [68.25, 31.65], [68.5, 31.75], [68.75, 31.65], [68.82, 31.68], [68.85, 31.75], [68.75, 32.0], [68.85, 32.25], [68.75, 32.5], [68.85, 32.75], [68.75, 33.0], [68.85, 33.25], [68.75, 33.5], [68.97, 34.03], [69.32, 34.18], [69.47, 34.53], [70.0, 34.75], [70.25, 34.65], [70.5, 34.75], [71.03, 34.53], [71.25, 34.0], [71.15, 33.75], [71.25, 33.5], [71.03, 32.97], [70.68, 32.82], [70.65, 32.75], [70.75, 32.5], [70.54, 32.0], [70.75, 31.5], [70.65, 31.25], [70.75, 31.0], [70.65, 30.75], [70.75, 30.5], [70.65, 30.25], [70.75, 30.0], [70.53, 29.47], [70.18, 29.32], [70.03, 28.97], [69.5, 28.75], [69.25, 28.85], [69.0, 28.75], [68.47, 28.97], [68.32, 29.32], [68.25, 29.35], [68.0, 29.25], [67.75, 29.35], [67.68, 29.32], [67.65, 29.25], [67.75, 29.0], [67.65, 28.75], [67.75, 28.5], [67.53, 27.97], [67.18, 27.82], [67.03, 27.47], [66.68, 27.32], [66.65, 27.25], [66.75, 27.0], [66.53, 26.47], [66.18, 26.32], [66.03, 25.97], [65.5, 25.75], [65.25, 25.85], [65.0, 25.75], [64.47, 25.97], [64.32, 26.32], [64.25, 26.35], [64.0, 26.25], [63.75, 26.35], [63.5, 26.25], [63.25, 26.35], [63.0, 26.25], [62.75, 26.35], [62.5, 26.25], [61.97, 26.47], [61.75, 27.0], [61.85, 27.25], [61.75, 27.5], [61.97, 28.03]]]]}, "2026-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 28.03], [62.38, 28.2], [62.25, 28.5], [62.47, 29.03], [62.82, 29.18], [62.97, 29.53], [63.5, 29.75], [63.75, 29.65], [64.0, 29.75], [64.53, 29.53], [64.68, 29.18], [65.03, 29.03], [65.25, 28.5], [65.13, 28.2], [65.25, 28.15], [65.32, 28.18], [65.47, 28.53], [65.88, 28.7], [65.75, 29.0], [65.97, 29.53], [66.32, 29.68], [66.35, 29.75], [66.25, 30.0], [66.46, 30.5], [66.25, 31.0], [66.47, 31.53], [67.0, 31.75], [67.25, 31.65], [67.5, 31.75], [67.75, 31.65], [68.0, 31.75], [68.25, 31.65], [68.5, 31.75], [68.75, 31.65], [68.82, 31.68], [68.85, 31.75], [68.75, 32.0], [68.85, 32.25], [68.75, 32.5], [68.85, 32.75], [68.75, 33.0], [68.85, 33.25], [68.75, 33.5], [68.97, 34.03], [69.32, 34.18], [69.47, 34.53], [70.0, 34.75], [70.25, 34.65], [70.5, 34.75], [71.03, 34.53], [71.25, 34.0], [71.15, 33.75], [71.25, 33.5], [71.03, 32.97], [70.68, 32.82], [70.65, 32.75], [70.75, 32.5], [70.54, 32.0], [70.75, 31.5], [70.65, 31.25], [70.75, 31.0], [70.65, 30.75], [70.75, 30.5], [70.65, 30.25], [70.75, 30.0], [70.53, 29.47], [70.18, 29.32], [70.03, 28.97], [69.5, 28.75], [69.25, 28.85], [69.0, 28.75], [68.75, 28.85], [68.5, 28.75], [68.25, 28.85], [68.18, 28.82], [68.04, 28.5], [68.25, 28.0], [68.03, 27.47], [67.5, 27.25], [67.0, 27.46], [66.68, 27.32], [66.65, 27.25], [66.75, 27.0], [66.53, 26.47], [66.18, 26.32], [66.03, 25.97], [65.5, 25.75], [65.25, 25.85], [65.0, 25.75], [64.47, 25.97], [64.32, 26.32], [64.25, 26.35], [64.0, 26.25], [63.75, 26.35], [63.5, 26.25], [63.25, 26.35], [63.0, 26.25], [62.75, 26.35], [62.5, 26.25], [61.97, 26.47], [61.75, 27.0], [61.85, 27.25], [61.75, 27.5], [61.97, 28.03]]]]}, "2026-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 28.03], [62.38, 28.2], [62.25, 28.5], [62.47, 29.03], [62.82, 29.18], [62.97, 29.53], [63.5, 29.75], [63.75, 29.65], [64.0, 29.75], [64.53, 29.53], [64.68, 29.18], [65.03, 29.03], [65.25, 28.5], [65.13, 28.2], [65.25, 28.15], [65.32, 28.18], [65.47, 28.53], [65.88, 28.7], [65.75, 29.0], [65.97, 29.53], [66.32, 29.68], [66.35, 29.75], [66.25, 30.0], [66.46, 30.5], [66.25, 31.0], [66.47, 31.53], [67.0, 31.75], [67.25, 31.65], [67.5, 31.75], [67.75, 31.65], [68.0, 31.75], [68.25, 31.65], [68.5, 31.75], [68.75, 31.65], [68.82, 31.68], [68.85, 31.75], [68.75, 32.0], [68.85, 32.25], [68.75, 32.5], [68.85, 32.75], [68.75, 33.0], [68.85, 33.25], [68.75, 33.5], [68.97, 34.03], [69.32, 34.18], [69.47, 34.53], [70.0, 34.75], [70.53, 34.53], [70.68, 34.18], [71.03, 34.03], [71.25, 33.5], [71.03, 32.97], [70.68, 32.82], [70.65, 32.75], [70.75, 32.5], [70.54, 32.0], [70.75, 31.5], [70.65, 31.25], [70.75, 31.0], [70.65, 30.75], [70.75, 30.5], [70.65, 30.25], [70.75, 30.0], [70.53, 29.47], [70.18, 29.32], [70.03, 28.97], [69.5, 28.75], [69.25, 28.85], [69.0, 28.75], [68.75, 28.85], [68.5, 28.75], [68.25, 28.85], [68.18, 28.82], [68.04, 28.5], [68.25, 28.0], [68.03, 27.47], [67.5, 27.25], [67.0, 27.46], [66.68, 27.32], [66.65, 27.25], [66.75, 27.0], [66.53, 26.47], [66.18, 26.32], [66.03, 25.97], [65.5, 25.75], [65.25, 25.85], [65.0, 25.75], [64.47, 25.97], [64.32, 26.32], [64.25, 26.35], [64.0, 26.25], [63.75, 26.35], [63.5, 26.25], [63.25, 26.35], [63.0, 26.25], [62.75, 26.35], [62.5, 26.25], [61.97, 26.47], [61.75, 27.0], [61.85, 27.25], [61.75, 27.5], [61.97, 28.03]]]]}, "2026-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.85, 29.75], [66.75, 30.0], [66.97, 30.53], [67.5, 30.75], [67.75, 30.65], [67.82, 30.68], [67.97, 31.03], [68.5, 31.25], [68.75, 31.15], [68.88, 31.2], [68.75, 31.5], [68.85, 31.75], [68.75, 32.0], [68.97, 32.53], [69.5, 32.75], [70.03, 32.53], [70.25, 32.0], [70.15, 31.75], [70.2, 31.63], [70.5, 31.75], [71.03, 31.53], [71.25, 31.0], [71.03, 30.47], [70.5, 30.25], [70.2, 30.38], [70.15, 30.25], [70.25, 30.0], [70.03, 29.47], [69.68, 29.32], [69.53, 28.97], [69.0, 28.75], [68.75, 28.85], [68.5, 28.75], [68.25, 28.85], [68.18, 28.82], [68.04, 28.5], [68.25, 28.0], [68.03, 27.47], [67.5, 27.25], [66.97, 27.47], [66.75, 28.0], [66.96, 28.5], [66.75, 29.0], [66.85, 29.25], [66.75, 29.5], [66.85, 29.75]]]]}, "2026-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.53, 30.53], [69.75, 30.0], [69.65, 29.75], [69.75, 29.5], [69.53, 28.97], [69.0, 28.75], [68.75, 28.85], [68.5, 28.75], [67.97, 28.97], [67.75, 29.5], [67.97, 30.03], [68.32, 30.18], [68.47, 30.53], [69.0, 30.75], [69.53, 30.53]]], [[[68.75, 31.5], [68.97, 32.03], [69.5, 32.25], [70.03, 32.03], [70.2, 31.63], [70.5, 31.75], [71.03, 31.53], [71.25, 31.0], [71.03, 30.47], [70.5, 30.25], [69.97, 30.47], [69.8, 30.88], [69.5, 30.75], [68.97, 30.97], [68.75, 31.5]]]]}, "2026-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.5, 31.75], [71.03, 31.53], [71.25, 31.0], [71.03, 30.47], [70.5, 30.25], [69.97, 30.47], [69.75, 31.0], [69.97, 31.53], [70.5, 31.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.979386906815023}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.606605149716514}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.0513778686523665, 6.1727157592773665, 13.548879060291142, 11.839652799948738, 12.978141566685338, 12.393113948066457, 12.913607758166734, 12.767095947265659, 15.846107737223349]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.0513778686523665, 6.1727157592773665, 18.644919331868493, 19.176455434163415, 20.503106689453148, 19.134051259358728, 17.892554219563806, 16.183892822265648, 15.846107737223349]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7399672933655097, 3.9134605475352373, 3.6645863692917664, 4.576676134554768, 5.255828926443652, 4.580422444217724, 3.1848342963709095, 3.0645797078209283, 2.9470790816062618]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.7399672933655097, 3.9134605475352373, 4.396876092299749, 7.039749038064542, 7.979386906815023, 6.669038406681409, 3.9513801956801444, 3.6032372821668446, 2.9470790816062618]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3634855187082537, 1.4056005836430259, 1.308996950078003, 1.4495034088324013, 1.6799966873651304, 1.4693763722949984, 1.3615097101430675, 1.3582880829734876, 1.5887393220927657]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3634855187082537, 1.4056005836430259, 1.5486979957199343, 1.873724577886289, 2.2353960290093484, 1.7974925060294624, 1.5742401929995915, 1.7826603620136576, 1.5887393220927657]}}